<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      p {
        height: 200px;
        background-color: antiquewhite;
      }
    </style>
  </head>
  <body>
    <p>hello p1</p>
    <p>hello p2</p>
    <p>hello p3</p>
    <p>hello p4</p>
    <p>hello p5</p>
    <p>hello p6</p>
    <p>hello p7</p>
    <p>hello p8</p>
    <script>
      console.log("innerHeight", innerHeight);
      console.log("innerWidth", window.innerWidth);

      console.log("-----------");
      console.log("clientHeight", document.documentElement.clientHeight);
      console.log("clientWidth", document.documentElement.clientWidth);
    </script>
  </body>
</html>
